CN109854951A - High voltage rail pressure classification utilizes system - Google Patents
High voltage rail pressure classification utilizes system Download PDFInfo
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- CN109854951A CN109854951A CN201811578841.5A CN201811578841A CN109854951A CN 109854951 A CN109854951 A CN 109854951A CN 201811578841 A CN201811578841 A CN 201811578841A CN 109854951 A CN109854951 A CN 109854951A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 176
- 239000003345 natural gas Substances 0.000 claims abstract description 88
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims description 68
- 238000007906 compression Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000005338 heat storage Methods 0.000 description 4
- 239000011232 storage material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of high voltage rail pressure classifications to utilize system, belongs to natural gas technical field, including natural gas supply source, natural gas compressing room, pressure regulator, swirl channel, heat exchanger, multi-stage booster subsystem；The inside of natural gas compressing room includes classification medium, natural gas compressing room is connected with natural gas supply source, the first regulating valve and the second regulating valve are installed between the pipeline that natural gas supply source and first pressure container connect, third regulating valve and the 4th regulating valve are installed between the pipeline that first pressure container and second pressure container connect；First cooler and the second cooler are installed on the pipeline that first pressure container is connect with natural gas compressing room, pressure regulator is used to adjust the pressure of natural gas, swirl channel and heat exchanger are connected with each other, and heat exchanger is connected with the first pressure reducer, the second pressure reducer；Heat exchanger is separately connected multi-stage booster subsystem, to meet different pressure demands.
Description
Technical field
The present invention relates to natural gas technical fields more particularly to a kind of high voltage rail pressure classification to utilize system.
Background technique
With the extensive access power grid of new energy, energy storage technology is extensive because it is capable of providing enough peak modulation capacities
Ground is used to solve the problems, such as the intermittence and fluctuation of new energy.Wherein, compressed air energy storage technology is applied relatively broad and is had
Very big development prospect, it, which is responsible for, provides the responsibility of gas source for all pneumatic elements (including various operated pneumatic valves).It is using
In, the demand of links is different, gas consumption and has very big difference with atmospheric pressure.
The needs of height gas-pressurized are increasing, and replace fossil fuel for the day of operating with by the natural gas of high pressure
The appearance of right gas vehicle, this needs are especially true.When compressing such gas, it will usually encounter general 200: 1 or higher
High compression ratio.Such high compression ratio needs to have intercooled compound compressor, or if complete in single-stage
At will lead to significant heat and generate, this often can exponentially reduce the efficiency of compression process.Current natural gas supply is equal
Maximum pressure is directly exported, is then depressured by pressure reducing valve, pressure needed for making pressure drop to various pneumatic elements.But
The mode of this decompression gas supply means huge energy waste.
Summary of the invention
The present invention in order to overcome the shortcomings in the prior art, provides a kind of high voltage rail pressure classification using system, energy
Enough pressure demands for meeting different links by classification pressurization, can effectively avoid being depressured generated energy waste, mention significantly
The efficiency that high-energy source utilizes.
The present invention is achieved through the following technical solutions:
A kind of high voltage rail pressure classification utilizes system on the one hand to be used to adjust the pressure of natural-gas, on the other hand passes through
Subsystem is pressurized, to meet different gas pressure demands.
The high voltage rail pressure classification using system include natural gas supply source, natural gas compressing room, pressure regulator,
Swirl channel, heat exchanger, multi-stage booster subsystem；The inside of the natural gas compressing room includes classification medium, the classification
Medium surface area with higher and thermal capacity；The natural gas compressing room is connected with natural gas supply source, the natural gas
Discharge chambe receives the natural gas come from natural gas supply source, alternately natural gas is guided to pass through first pressure container and second pressure
Container pressurizes to natural gas to realize；Between the pipeline that the natural gas supply source and the first pressure container connect
First regulating valve is installed, is equipped with second between the pipeline that the natural gas supply source and the second pressure container connect
Regulating valve is equipped with third regulating valve and the 4th between the pipeline that the first pressure container and second pressure container connect and adjusts
Valve is saved, and the third regulating valve and the 4th regulating valve are interconnected；In the first pressure container and the natural gas compressing
The first cooler is installed on the pipeline of room connection, it is cooling that second is equipped on the pipeline of second pressure container connection
Device, first cooler and the second cooler are used for cooled natural gas, provide cooling to natural gas；The pressure regulator is used
In the pressure for adjusting natural gas, the pressure regulator has gas entrance and gas outlet, and the inlet port is for connecting day
Right gas discharge chambe, the gas outlet are used to be connected with the swirl channel of the natural-gas lower than supply pressure, and the pressure is adjusted
Device is very sensitive to gas pressure, so that the pressure regulator responds, pressure is maintained associated with pressure is adjusted
Default value under；The swirl channel receives gas by entrance, and gas is divided into hot gas and cold air, and will
The hot gas and cold air conveying pass through corresponding outlet；The swirl channel and heat exchanger are connected with each other, described
Heat exchanger is connected with the first pressure reducer, the second pressure reducer；The heat exchanger is separately connected multi-stage booster subsystem, the increasing
Subsystem is pressed to be used to carry out pressurized treatment to the natural gas in branch line system, to meet different pressure demands.
Further, first regulating valve, the second regulating valve, third regulating valve and the 4th regulating valve are unidirectional
Valve allows natural gas to enter first pressure container and second pressure container from pipeline, while preventing the day of compression using check valve
Right gas during gas compression from first pressure container and second pressure container through piping from first pressure container and second
It flows back away in pressure vessel.
Further, first pressure reducer is between the heat exchanger and the pressure regulator, and described second
Pressure reducer is between the heat exchanger and the pressure regulator, and first pressure reducer and the second pressure reducer are to reduce
The pressure of natural gas.
Further, the side of the pressure regulator is provided with pressure control device, the pressure control device for
It is sensitive from the gas pressure in pressure regulator, diaphragm is contained in the control device, pressure is adjusted and acts on the diaphragm.
Further, every level-one pressurization subsystem includes air compressor machine, heat exchanger, gate valve, cooling driers, air accumulator.
Further, the air compressor machine import suck gas, air compressor machine outlet by pipeline and import connect, change
The outlet of hot device is connect by pipeline with the import of cooling driers, and the outlet of cooling driers is connect by pipeline with air accumulator.
Compared with prior art, the beneficial effects of the present invention are:
1, it in the use of the present invention, on the one hand for adjusting the pressure of natural-gas, is on the other hand carried out by subsystem
Pressurization, to meet different gas pressure demands, the classification medium in the present invention provides higher surface area and thermal capacitance
Amount for absorbing the heat of natural gas in compression process, allows compression process with more etc. to play the role of heat absorption in this way
The mode of temperature is run, to provide achievable better compression efficiency, can be passed through by the heat of the classification Absorption of Medium
Intermediate working fluid external environment transmitting.The classification medium is had in compressed natural gas by top compression and temperature
Most significant raised region surface area with higher and thermal capacity.Temperature when classification medium is used to solve compression increases,
The total amount for the thermal medium that will also use simultaneously and the total measurement (volume) of natural gas compressing room minimize.In the present invention, classification medium exists
The region of higher compression ratio provides increased heat storage material and surface area, is used for higher compression heat in absorption region,
The heat is allowed soon to be transmitted to the heat storage material from natural gas.
2, in the present invention, used for air compressor to improve the pressure of gas in compressed gas, due to compressed gas have compared with
High temperature, so connecting heat exchanger, after air compressor machine for reducing the temperature of gas；Part is had in gas after cooling
Steam, if being sent directly into air accumulator, the service life that not only will affect, but also influence to use the service life of gas element, so
Cooling driers are connected after the heat exchanger, for drying compressed gas；The gate valve is used to adjust the gas flow in pipeline；
The air accumulator is for storing compressed dry gas, to realize classified utilization, gas pressure to dry natural-gas
In uphill process, the use demand of different links can be met from low-pressure to high pressure.Compared with traditional hierarchy system,
Efficiency of energy utilization greatly improves.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is worth noting that in the present invention, high voltage rail pressure classification utilizes system on the one hand to be used to adjust natural gas
The pressure of body, is on the other hand pressurized by subsystem, to meet different gas pressure demands.
Referring to Fig. 1, the high voltage rail pressure classification includes natural gas supply source 3, natural gas compressing room using system
2, pressure regulator 1, swirl channel 4, heat exchanger 5, multi-stage booster subsystem 6；The inside of the natural gas compressing room 2 includes
It is classified medium, classification medium surface area with higher and thermal capacity；The natural gas compressing room 2 is supplied with natural gas
Source 3 is connected, and the natural gas compressing room 2 receives the natural gas from natural gas supply source 3, alternately guides natural gas by the
One pressure vessel 21 and second pressure container 22 pressurize to natural gas to realize；In the natural gas supply source 3 and described the
The first regulating valve 31 is installed between the pipeline of one pressure vessel 21 connection, in the natural gas supply source 3 and second pressure
The second regulating valve 32 is installed between the pipeline that force container 22 connects, in the first pressure container 21 and second pressure container 22
Third regulating valve 33 and the 4th regulating valve 34, and the third regulating valve 33 and the 4th regulating valve are installed between the pipeline of connection
34 are interconnected；It is cooling that first is equipped on the pipeline that the first pressure container 21 is connect with the natural gas compressing room 2
Device 23 is equipped with the second cooler 24 on the pipeline of the second pressure container 22 connection, first cooler 23 and the
Two coolers 24 are used for cooled natural gas, provide cooling to natural gas；The pressure regulator 1 is used to adjust the pressure of natural gas
Power, the pressure regulator 1 have gas entrance 11 and gas outlet 12, and the inlet port 11 is for connecting natural gas compressing room
2, the gas outlet 12 is used to be connected with the swirl channel 4 of the natural-gas lower than supply pressure, 1 pair of gas of the pressure regulator
Body very pressure-sensitive maintains pressure associated with pressure is adjusted default so that the pressure regulator 1 responds
Under numerical value；The swirl channel 4 receives gas by entrance, and gas is divided into hot gas and cold air, and will be described
Hot gas and cold air conveying pass through corresponding outlet；The swirl channel 4 is connected with each other with heat exchanger 5, the heat
Exchanger 5 is connected with the first pressure reducer 51, the second pressure reducer 52；The heat exchanger 5 is separately connected multi-stage booster subsystem 6,
The pressurization subsystem 6 is used to carry out pressurized treatment to the natural gas in branch line system, to meet different pressure demands.
Referring to Fig. 1, first regulating valve 31, the second regulating valve 32, third regulating valve 33 and the 4th regulating valve 34
It is check valve, allows natural gas to enter first pressure container 21 and second pressure container 22 from pipeline using check valve, simultaneously
Prevent the natural gas of compression during gas compression from first pressure container 21 and second pressure container 22 through piping from the
It flows back away in one pressure vessel 21 and second pressure container 22.First pressure reducer 51 is located at the heat exchanger 5 and institute
It states between pressure regulator 1, second pressure reducer 52 is described between the heat exchanger 5 and the pressure regulator 1
The pressure of first pressure reducer 51 and the second pressure reducer 52 to reduce natural gas.The side of the pressure regulator 1 is provided with pressure
Force control device 13, the pressure control device 13 is for sensitive, the control device from the gas pressure in pressure regulator 1
Contain diaphragm in 13, adjusts pressure and act on the diaphragm.
Referring to Fig. 1, every level-one pressurization subsystem 6 includes air compressor machine 61, heat exchanger 62, gate valve 63, cooling driers 64, storage
Gas tank 65.The import of the air compressor machine 61 sucks gas, and the outlet of air compressor machine 61 is connect by pipeline with 62 import, heat exchanger
62 outlet is connect through 63 with the import of cooling driers 64 by pipeline, and the outlet of cooling driers 64 is connected by pipeline and air accumulator 65
It connects.
Referring to Fig. 1, the air compressor machine 61 is used for compressed gas, the pressure of gas is improved, since compressed gas has
There is higher temperature, so connecting heat exchanger 62, after air compressor machine 61 for reducing the temperature of gas；In gas after cooling
It part steam had, if being sent directly into air accumulator 65, not only will affect 65 service life, but also influence gas element makes
With the service life, so cooling driers 64 are connected after heat exchanger 62, for drying compressed gas；The gate valve 63 is for adjusting
Gas flow in pipeline；The air accumulator 65 is for storing compressed dry gas, thus real to dry natural-gas
Existing classified utilization, gas pressure can meet the use demand of different links in uphill process from low-pressure to high pressure.With
Traditional hierarchy system is compared, and efficiency of energy utilization greatly improves.
In the present invention, the classification medium provides higher surface area and thermal capacity, to play the work of heat absorption
With for absorbing the heat of natural gas in compression process, permission compression process in this way is run in a manner of more isothermal, to provide
Achievable better compression efficiency, can be by intermediate working fluid to external rings by the heat of the classification Absorption of Medium
Border transmitting.The classification medium compressed natural gas by top compression and temperature have most significant raised region have compared with
High surface area and thermal capacity.Temperature when classification medium is used to solve compression increases, while the thermal medium that will also use
The total measurement (volume) of total amount and natural gas compressing room 2 minimizes.In the present invention, classification medium provides in the region of higher compression ratio
Increased heat storage material and surface area allow the heat soon from natural for higher compression heat in absorption region
Gas is transmitted to the heat storage material, to improve the performance of entire natural gas compressing room.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of high voltage rail pressure classification utilizes system, high voltage rail pressure classification utilizes system on the one hand to be used to adjust naturally
The pressure of gas, is on the other hand pressurized by subsystem, to meet different gas pressure demands；Its feature exists
In: including natural gas supply source (3), natural gas compressing room (2), pressure regulator (1), swirl channel (4), heat exchanger (5),
Multi-stage booster subsystem (6)；
The inside of the natural gas compressing room (2) includes classification medium, classification medium surface area with higher and heat
Capacity；
The natural gas compressing room (2) is connected with natural gas supply source (3), and the natural gas compressing room (2) receives from natural gas
The natural gas that supply source (3) comes alternately guides natural gas to pass through first pressure container (21) and second pressure container (22), from
And it realizes and pressurizes to natural gas；
The first regulating valve is installed between the pipeline that the natural gas supply source (3) connect with the first pressure container (21)
(31), the second adjusting is installed between the pipeline that the natural gas supply source (3) connect with the second pressure container (22)
Valve (32) is equipped with third regulating valve between the pipeline that the first pressure container (21) and second pressure container (22) connect
(33) and the 4th regulating valve (34), and the third regulating valve (33) and the 4th regulating valve (34) are interconnected；
The first cooler is installed on the pipeline that the first pressure container (21) connect with the natural gas compressing room (2)
(23), it is equipped with the second cooler (24) on the pipeline of the second pressure container (22) connection, first cooler
(23) and the second cooler (24) is used for cooled natural gas, provides cooling to natural gas；
The pressure regulator (1) is used to adjust the pressure of natural gas, and the pressure regulator (1) has gas entrance (11)
With gas outlet (12), for connecting natural gas compressing room (2), the gas outlet (12) is used for and is lower than confession the inlet port (11)
It is connected to the swirl channel (4) of the natural-gas of pressure, the pressure regulator (1) is very sensitive to gas pressure, so that should
Pressure regulator (1) responds, and pressure is maintained under default value associated with pressure is adjusted；
The swirl channel (4) receives gas by entrance, and gas is divided into hot gas and cold air, and by the heat
Gas and cold air conveying pass through corresponding outlet；
The swirl channel (4) and heat exchanger (5) are connected with each other, the heat exchanger (5) and the first pressure reducer (51), second
Pressure reducer (52) is connected；
The heat exchanger (5) is separately connected multi-stage booster subsystem (6), and the pressurization subsystem (6) is used for branch line system
In natural gas carry out pressurized treatment, to meet different pressure demands.
2. high voltage rail pressure classification according to claim 1 utilizes system, it is characterised in that: first regulating valve
(31), the second regulating valve (32), third regulating valve (33) and the 4th regulating valve (34) are check valve, are allowed using check valve
Natural gas enters first pressure container (21) and second pressure container (22) from pipeline, while preventing the natural gas of compression in gas
During compression from first pressure container (21) and second pressure container (22) through piping from first pressure container (21) and
It flows back away in two pressure vessels (22).
3. high voltage rail pressure classification according to claim 2 utilizes system, it is characterised in that: first pressure reducer
(51) between the heat exchanger (5) and the pressure regulator (1), second pressure reducer (52) is located at the heat and hands over
Between parallel operation (5) and the pressure regulator (1), first pressure reducer (51) and the second pressure reducer (52) are natural to reduce
The pressure of gas.
4. high voltage rail pressure classification according to claim 3 utilizes system, it is characterised in that: the pressure regulator
(1) side is provided with pressure control device (13), and the pressure control device (13) is for from the gas in pressure regulator (1)
Body presser sensor, the control device (13) is interior to contain diaphragm, adjusts pressure and acts on the diaphragm.
5. high voltage rail pressure classification according to claim 4 utilizes system, it is characterised in that: every level-one is pressurized subsystem
It (6) include air compressor machine (61), heat exchanger (62), gate valve (63), cooling driers (64), air accumulator (65).
6. high voltage rail pressure classification according to claim 5 utilizes system, it is characterised in that: the air compressor machine (61)
Import sucks gas, and the outlet of air compressor machine (61) is connect by pipeline with the import of (62), and the outlet of heat exchanger (62) passes through pipe
Road is connect through (63) with the import of cooling driers (64), and the outlet of cooling driers (64) is connect by pipeline with air accumulator (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578841.5A CN109854951A (en) | 2018-12-24 | 2018-12-24 | High voltage rail pressure classification utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578841.5A CN109854951A (en) | 2018-12-24 | 2018-12-24 | High voltage rail pressure classification utilizes system |
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| Publication Number | Publication Date |
|---|---|
| CN109854951A true CN109854951A (en) | 2019-06-07 |
Family
ID=66892107
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811578841.5A Pending CN109854951A (en) | 2018-12-24 | 2018-12-24 | High voltage rail pressure classification utilizes system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442934A (en) * | 1994-04-13 | 1995-08-22 | Atlantic Richfield Company | Chilled gas transmission system and method |
| CN201547496U (en) * | 2009-11-27 | 2010-08-11 | 天津市华迈燃气技术发展有限公司 | Compressed natural gas feeder utilizing vortex tube to reduce pressure and heat up |
| CN204299833U (en) * | 2014-07-30 | 2015-04-29 | 无锡杰尔压缩机有限公司 | Classification supercharge system |
| CN204372553U (en) * | 2014-12-18 | 2015-06-03 | 山东益华燃气设备有限公司 | A kind of depressurized system of pipe natural gas door station |
| CN105240581A (en) * | 2014-07-07 | 2016-01-13 | 美国胜赛斯公司 | Add-on chamber for improved response of gas pressure regulators |
| CN105392989A (en) * | 2013-04-12 | 2016-03-09 | 伊顿公司 | Pressure vessel graded media for heat exchange in a compression system |
| CN105443978A (en) * | 2015-12-28 | 2016-03-30 | 重庆耐德节能装备有限公司 | Hydraulic pressurized natural gas filling substation system |
| CN107965667A (en) * | 2017-11-09 | 2018-04-27 | 大连理工大学 | It is a kind of to realize that Cryogenic air takes the pipe natural gas voltage-regulating system of heat using pipeline pressure itself |
-
2018
- 2018-12-24 CN CN201811578841.5A patent/CN109854951A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442934A (en) * | 1994-04-13 | 1995-08-22 | Atlantic Richfield Company | Chilled gas transmission system and method |
| CN201547496U (en) * | 2009-11-27 | 2010-08-11 | 天津市华迈燃气技术发展有限公司 | Compressed natural gas feeder utilizing vortex tube to reduce pressure and heat up |
| CN105392989A (en) * | 2013-04-12 | 2016-03-09 | 伊顿公司 | Pressure vessel graded media for heat exchange in a compression system |
| CN105240581A (en) * | 2014-07-07 | 2016-01-13 | 美国胜赛斯公司 | Add-on chamber for improved response of gas pressure regulators |
| CN204299833U (en) * | 2014-07-30 | 2015-04-29 | 无锡杰尔压缩机有限公司 | Classification supercharge system |
| CN204372553U (en) * | 2014-12-18 | 2015-06-03 | 山东益华燃气设备有限公司 | A kind of depressurized system of pipe natural gas door station |
| CN105443978A (en) * | 2015-12-28 | 2016-03-30 | 重庆耐德节能装备有限公司 | Hydraulic pressurized natural gas filling substation system |
| CN107965667A (en) * | 2017-11-09 | 2018-04-27 | 大连理工大学 | It is a kind of to realize that Cryogenic air takes the pipe natural gas voltage-regulating system of heat using pipeline pressure itself |
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Application publication date: 20190607 |